// 页面路径：store/index.js 
import Vue from 'vue'
import Vuex from 'vuex'
import cart from './mudules/cart'

Vue.use(Vuex); //vue的插件机制

//Vuex.Store 构造器选项
const store = new Vuex.Store({
    state: { //存放状态
        "username": "foo",
        "age": 18
    },
    modules: {
        cart
    }
})
export default store